Sinker or hub for use in manufacturing dies.



J. GIEBEL & F. H. ZIMMERMAN. SINKER on HUB F08 us}: m MANUFACTURING mas.

APPLICATION FILED n.4, i911.

Paten bed Nov. 20, 1917'.

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lhlll' z via/Zines 65 Z a l E866 flzz'rrjrrreiman a. Figure l isaplan view of'a hub or sinker 1 'gqconstructed in accordance with the mven- To whom concern.- I

' labor and material in the completion ofthe skilled labor may be in some measure dis- ;-Fig. 21s aside elevation-thereof,

i 1"" of adie formed by the tool before the" surf The hub or sinker'is a tool'made inflthe and thefinishing of the die'is-simp'lified. -40 shape of the article that is to be stamped out Having d v 45$ leaving an impression-the shape of the sinker 7 I a workandthen dress off the topof the die and a gutter-formedb'etween said ledge ands I p q vemployed it has been difficult to secure sharp I ,mm mm MID" so were:

"nun r'onusn mam mmmmwiaa N ap ncmonmeamiuar aism semin no'ssa e a p I edges at the upper face of the die. the I Be it known that we, JULIUS Gmenn and I employment of thefhub, or Sinker consti- 6 Funny znrammraxgboth citizens of the vtuting the present'inventilonvsharpedgesara v i United States ofAm'erica, residing at Fresecured at the upper face of the die and such pliflmont, ini'tl e countyof Sandusky and State mdlcations are formed uponjthe upper face; I i

v of Uhio,have invented-certain new anduseof the die block as will indicate to the-work 1* ful Improvements 'in Sinkers orHubs for 'manthe exactp'p' y the Usefin" Manufacturing Dies, of which the vdie block is'to e finished.

to following is a specification. Referring to the accompanyingdrawing 5," a

This 'invention'relates to sinkers or, hubs designates a base'block having formedupon' a for sinking dies and its object is to provide its upper face any suitable sha e such as a an, improvedarticle of this nature conis indicated at 6 and which s ape when structed, in such mannerfa's to save time, pounded into a heated block of-steel A, from which thedie is to be formedisada ted jto produce angimpressio'n orcavity a-t erein 1 which corresponds to: the configuration of 1 the shap'efi. r I

die'constructed therebyand also constructed iinsuchfmanner that the employment of fpensed with becausegthe improved die or The present inventionlres'idesparticularly sinker minimizes the dangerof m stakesand v1n forming ay ledge "7]:aroundthe shape 'ti f" errors,makes every impressionun1form,.,simwhich 'ledge substantially conforms tos the q plitiesthe finishing of the die and insures configuration of "the shapefi and thi l dge s sharp corners or edges on the finished die is separated fromthe shape by'a continuous; irrespective of the hand labor performed gutter'S. i a a I. r p a I r t upon the die. a c I "In operation the presence of the gutter f 35 Further objects and advantages'of the inprevents the heated steel in the die from vention' will be set forth in the detailed deflowing or escaping from direct'contact with I scription which now follows: the sinker or hub and insures sharp corners In the accompanying drawing, H or edges on the finishedfdie asy well" as a strengthening the sinker or hub. I

The ledge inm ddition to serving as "an element in the formation of the iigutter acts 7 asamarkerto'leave, an impression upon the Fig. 3 is'axtransverse, vertical section die block at bwhich'servesas a guide to the therethrough andl ig. 4 is a sectional view mechanicfand indicates'the point to whichf the top ofthe die block is to' be essed. y Consequently the employment of highly 7 I skilled labor is rendered unnecessary, the danger of mistakes and errors is minimized faceof thesame is dressed off. 1 g

{Like numerals designate corresponding parts in all of the figures of the drawing.

i escribedour invention-what we I "Vine finish d die? In a g thediethe 'c1aimis:' j a biock of which the die is to be made is Y 1'. A' hub or sinker comprising a base p N v heated to the proper temperature and the block, a shape formed thereon, aled e sur-fi sinker or hllblS pounded or driven into it rounding said shape and a gutter ormed between said-ledge andsaid shape. or hub. s a 2; A hub or sinker; comprising aYba'se Beretofore it has been customary topound block, a shape formed thereon, a ledge 100 the sinker or hub into theiblock ofsteel to which pro'ects above the face of the haae a depth determined more or less byiguess blockbut lies below the face of the shape the proper said shape. I U k g I 1 k 3, The hereinydescribed method of 1015',

block to: secure an impression o depth. \Vith the hubs or sinkers heretofore we d which s e bee n v e 1,247,024

of metal, forcing into eaid bloek a. tobl cor- In testimony whereof we afiix our signaresponding in shapetp the ertjqle t be protlnges inpzesepee of tv,v Witnesses. ducei by the (lie andj' by 1thg seme ac t prqmm GI BEL.

viding means surrounding the shape to pre- FRED Z RMAN. 5 vent a flow of the metal of the die away Witnesses; j

from the shape atfthe terminatien'of the 1 @nnsm compressing ope l qtign, 1 11, 8" MQ A V les 0! this tent Illa? be qhtalneq tqr he cant ea. b lddreulng the "Commissioner M litants,

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